nothing
It is for other birds to understand them and it is just how they talk to other birds when they talk to different birds officials
they mck what u say
yes because the mothers adapts to other baby's as her own baby birds
The dodo bird was heavier than other birds and couldn't fly.
No they are not mammals they are birds
There are some seed eating birds that feed at different times to avoid competition. Others do it to avoid conflict from other birds, and some eat with other birds.
hollow
if it is their own kind and a different gender, they do it to breed, otherwise to mob other birds in large groups or to get them away from their nest.
There are a great many different species of birds that coexist. Finches, robins, and blue birds all coexist with each other for example.
No. Boobies and other birds do not give birth to live babies, so they don't have the uterus and vagina that mammal mothers would have.
they can imitate voices
depends on what bird